Growing community of inventors

Hong Kong, China

William K Y Cheung

Average Co-Inventor Count = 2.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 20

William K Y CheungErnest Matthew Chavana, Jr (1 patent)William K Y CheungWilliam K Y Cheung (1 patent)Ernest Matthew Chavana, JrErnest Matthew Chavana, Jr (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Oreck Holdings, LLC (1 from 159 patents)


1 patent:

1. 8161596 - Tilt sensor for cleaning device

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/16/2025
Loading…